Re: 2.6.21-rc5 from fc7-rc2 problems

[Stephen Clark <Stephen.Clark@seclark.us>]

Len Brown wrote:

> On Wednesday 18 April 2007 16:23, Jeff Garzik wrote:
>  
>
> > Len Brown wrote:
> >    
> >
> > > < Linux version 2.6.20-1.2933.fc6
> > > < (brewbuilder@hs20-bc2-4.build.redhat.com) (gcc version 4.1.1 20070105
> > > < (Red Hat 4.1.1-51)) #1 SMP Mon Mar 19 11:38:26 EDT 2007
> > > ---
> > >      
> > >
> > > > Linux version 2.6.20-1.3023.fc7
> > > > (brewbuilder@ls20-bc1-13.build.redhat.com) (gcc version 4.1.2 20070317
> > > > (Red Hat 4.1.2-5)) #1 SMP Sun Mar 25 22:12:02 EDT 2007
> > > >        
> > > I agree that the fc7 version string looks strange, because
> > > there are other things in the fc7 dmesg which are clearly from 2.6.21,
> > > such as this:
> > >
> > > < ACPI: Core revision 20060707
> > > ---
> > >      
> > >
> > > > ACPI: Core revision 20070126
> > > >        
> > > Perhaps you can try building a kernel.org 2.6.21 kernel and running
> > > it on your FC6 install?
> > >
> > > The ALI15X3 stuff exists only in the working FC6 dmesg:
> > >
> > > < Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> > > < ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> > > < ALI15X3: IDE controller at PCI slot 0000:00:0f.0
> > > < ACPI: Unable to derive IRQ for device 0000:00:0f.0
> > > < ACPI: PCI Interrupt 0000:00:0f.0[A]: no GSI
> > > < ALI15X3: chipset revision 195
> > > < ALI15X3: not 100% native mode: will probe irqs later
> > > <     ide0: BM-DMA at 0x1000-0x1007, BIOS settings: hda:DMA, hdb:pio
> > > <     ide1: BM-DMA at 0x1008-0x100f, BIOS settings: hdc:DMA, hdd:pio
> > > < Probing IDE interface ide0...
> > > < hda: HITACHI_DK23CA-20, ATA DISK drive
> > > < ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> > > < Probing IDE interface ide1...
> > > < hdc: MATSHITADVD-ROM SR-8175, ATAPI CD/DVD-ROM drive
> > > < ide1 at 0x170-0x177,0x376 on irq 15
> > > < Probing IDE interface ide2...
> > > < Probing IDE interface ide3...
> > > < Probing IDE interface ide4...
> > > < Probing IDE interface ide5...
> > > < hda: max request size: 128KiB
> > > < hda: 39070080 sectors (20003 MB) w/2048KiB Cache, CHS=38760/16/63, UDMA(66)
> > > < hda: cache flushes not supported
> > > <  hda: hda1 hda2
> > > < ide-floppy driver 0.99.newide
> > >
> > > FC7 looks like it is using libata instead:
> > > -Len
> > >
> > >      
> > >
> > > > SCSI subsystem initialized
> > > > libata version 2.20 loaded.
> > > > ACPI: Unable to derive IRQ for device 0000:00:0f.0
> > > > ACPI: PCI Interrupt 0000:00:0f.0[A]: no GSI
> > > > ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x00011000
> > > > irq 14
> > > > ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x00011008
> > > > irq 15
> > > > scsi0 : pata_ali
> > > > PM: Adding info for No Bus:host0
> > > > ata1.00: ATA-5: HITACHI_DK23CA-20, 00H1A0A3, max UDMA/100   <========
> > > > drive can do 100
> > > > ata1.00: 39070080 sectors, multi 16: LBA
> > > > ata1.00: configured for UDMA/33    <=============== configured as 33
> > > > scsi1 : pata_ali
> > > > PM: Adding info for No Bus:host1
> > > > ata2.00: ATAPI, max UDMA/33   <=== cd can't be read now
> > > > ata2.00: configured for UDMA/33
> > > > PM: Adding info for No Bus:target0:0:0
> > > > scsi 0:0:0:0: Direct-Access     ATA      HITACHI_DK23CA-2 00H1 PQ: 0 ANSI: 5
> > > > PM: Adding info for scsi:0:0:0:0
> > > > PM: Adding info for No Bus:target1:0:0
> > > > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> > > > ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x12 data 36 in
> > > >         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> > > > ata2: soft resetting port
> > > >        
> > It looks like interrupts are not being delivered?
> >    
>
> Dunno, both 2.6.20 and 2.6.21 say they're looking on IRQ14 and IRQ15.
> ACPI isn't involved at all with those IRQs, as it couldn't find any info
> for 0000:00:0f.0[A] and thus the legacy hard-coding for IDE must rule the day.
>
> Is it possible to configure 2.6.21 with the driver that was running in 2.6.20?
> If yes, and that works, then we know we didn't somehow otherwise break interrupts.
>
> -Len
>
>  
These results are from the livecd from FC7-rc2, Chuck Ebbert said a new 
one is soon to be released.
Let's see what the results are for this upcoming release.

Thanks,
Steve

--

"They that give up essential liberty to obtain temporary safety, 
deserve neither liberty nor safety."  (Ben Franklin)

"The course of history shows that as a government grows, liberty 
decreases."  (Thomas Jefferson)



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